Pin for acupuncture



FIG. 1 is a top perspective view of the pin for acupuncture of my design;

FIG. 2 is a front elevational view thereof, with the rear elevational view, left side elevational view and right side elevational view being the same;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a cross-sectional view thereof, taken along line 5-5 of FIG. 3. 

CLAIM The ornamental design for a pin for acupuncture, as shown and described. 